NO20070800L - Process and equipment for heat recovery. - Google Patents
Process and equipment for heat recovery.Info
- Publication number
- NO20070800L NO20070800L NO20070800A NO20070800A NO20070800L NO 20070800 L NO20070800 L NO 20070800L NO 20070800 A NO20070800 A NO 20070800A NO 20070800 A NO20070800 A NO 20070800A NO 20070800 L NO20070800 L NO 20070800L
- Authority
- NO
- Norway
- Prior art keywords
- heat
- particles
- exhaust
- equipment
- heat recovery
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/22—Collecting emitted gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrolytic Production Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Foreliggende oppfinnelse relateres til en fremgangsmåte og et utstyr for gjenvinning av varme fra avgass som ^emes fra en industriell prosess, så som en elektrolyseprosess for fremstilling av aluminium, ved hjelp av et avsug, idet avgassen inneholder støv og/eller partikler. Varmen gjenvinnes ved at avgassen bringes i kontakt med varmeopptakende elementer. Strømningsforholdene og utformingen av de varmeopptakende elementene er slik at støvets og/eller partiklenes beleggavsetning på nevnte flater holdes på et stabilt, begrenset nivå. I foretrukne utførelser har de varmeopptakende element et sirkulært eller et langstrakt, elliptisk tverrsnitt og kan være utstyrt med flnner eller ribber.The present invention relates to a process and an apparatus for recovering heat from exhaust gases emitted from an industrial process, such as an electrolysis process for the production of aluminum, by means of a suction, the exhaust gas containing dust and / or particles. The heat is recovered by contacting the exhaust with heat absorbing elements. The flow conditions and the design of the heat-absorbing elements are such that the coating deposition of the dust and / or particles on said surfaces is kept at a stable, limited level. In preferred embodiments, the heat absorbing member has a circular or elongated elliptical cross-section and may be provided with flanges or ribs.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20043150A NO20043150D0 (en) | 2004-07-23 | 2004-07-23 | "Heat recovery method and equipment" |
PCT/NO2005/000262 WO2006009459A1 (en) | 2004-07-23 | 2005-07-15 | A method and equipment for heat recovery |
Publications (2)
Publication Number | Publication Date |
---|---|
NO20070800L true NO20070800L (en) | 2007-02-12 |
NO339614B1 NO339614B1 (en) | 2017-01-16 |
Family
ID=35013322
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20043150A NO20043150D0 (en) | 2004-07-23 | 2004-07-23 | "Heat recovery method and equipment" |
NO20070800A NO339614B1 (en) | 2004-07-23 | 2007-02-12 | Process and equipment for heat recovery. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20043150A NO20043150D0 (en) | 2004-07-23 | 2004-07-23 | "Heat recovery method and equipment" |
Country Status (10)
Country | Link |
---|---|
US (2) | US20080099185A1 (en) |
EP (1) | EP1781840B1 (en) |
CN (1) | CN101031673B (en) |
AU (1) | AU2005264776B2 (en) |
BR (1) | BRPI0513721B1 (en) |
CA (1) | CA2574717C (en) |
NO (2) | NO20043150D0 (en) |
RU (1) | RU2385365C2 (en) |
WO (1) | WO2006009459A1 (en) |
ZA (1) | ZA200701194B (en) |
Families Citing this family (15)
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---|---|---|---|---|
NO332375B1 (en) | 2008-09-19 | 2012-09-10 | Norsk Hydro As | Spot feeder with integrated exhaust collection as well as a method for exhaust collection |
NO337977B1 (en) | 2008-10-31 | 2016-07-18 | Norsk Hydro As | Method and apparatus for extracting heat from aluminum electrolysis cells |
EP2360296B1 (en) * | 2010-01-21 | 2017-03-15 | General Electric Technology GmbH | A method of ventilating an aluminium production electrolytic cell |
FR2960053B1 (en) * | 2010-05-12 | 2015-07-17 | Solios Environnement | METHOD AND DEVICE FOR DISENGAGING HEAT EXCHANGER |
FR2960289B3 (en) * | 2010-05-21 | 2012-05-11 | Solios Environnement | METHOD AND DEVICE FOR DISENGAGING |
EP2407228B1 (en) * | 2010-07-14 | 2016-09-07 | General Electric Technology GmbH | Gas cleaning unit and method for cleaning gas |
CN102154663A (en) * | 2011-03-10 | 2011-08-17 | 伊川龙海科技实业有限公司 | Method for preheating alumina by using smoke afterheat from aluminium electrolysis production |
CN102134727B (en) * | 2011-03-10 | 2012-10-31 | 伊川龙海科技实业有限公司 | Method for recycling waste heat of electrolytic cell and device thereof |
CN102853702A (en) * | 2012-09-17 | 2013-01-02 | 扬州埃克森能源发展有限公司 | Limit type recycling method for waste heat of industrial flue gas |
CN105220177B (en) * | 2014-06-30 | 2017-12-08 | 沈阳铝镁设计研究院有限公司 | Aluminium cell forced ventilation residual heat using device and Application way |
RU2577502C1 (en) * | 2015-04-14 | 2016-03-20 | Александр Иванович Абросимов | Bimetallic gravitational heat pipe |
CN110614003A (en) * | 2016-06-15 | 2019-12-27 | 高境 | Method and system for removing fine particulate matters in aerosol |
NO20190343A1 (en) | 2019-03-14 | 2020-09-15 | Norsk Hydro As | Arrangement for collection of hot gas from an electrolysis process, and a method for such gas collection |
CN112642265A (en) * | 2020-01-09 | 2021-04-13 | 高境 | Exhaust gas purification system and purification method |
FR3112842A1 (en) * | 2020-07-24 | 2022-01-28 | Reel Alesa | DEVICE FOR COOLING GAS EFFLUENTS FROM AN INSTALLATION FOR THE PRODUCTION OF ALUMINUM BY IGNITE ELECTROLYSIS |
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US8366902B2 (en) * | 2008-03-24 | 2013-02-05 | Battelle Energy Alliance, Llc | Methods and systems for producing syngas |
EP2526361A1 (en) * | 2010-01-21 | 2012-11-28 | Shell Internationale Research Maatschappij B.V. | Heat exchanger and method of operating a heat exchanger |
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-
2004
- 2004-07-23 NO NO20043150A patent/NO20043150D0/en unknown
-
2005
- 2005-07-15 CN CN2005800308685A patent/CN101031673B/en active Active
- 2005-07-15 US US11/658,087 patent/US20080099185A1/en not_active Abandoned
- 2005-07-15 EP EP05771012.1A patent/EP1781840B1/en active Active
- 2005-07-15 CA CA2574717A patent/CA2574717C/en active Active
- 2005-07-15 WO PCT/NO2005/000262 patent/WO2006009459A1/en active Application Filing
- 2005-07-15 AU AU2005264776A patent/AU2005264776B2/en active Active
- 2005-07-15 RU RU2007106895/02A patent/RU2385365C2/en active
- 2005-07-15 BR BRPI0513721A patent/BRPI0513721B1/en active IP Right Grant
-
2007
- 2007-02-09 ZA ZA2007/01194A patent/ZA200701194B/en unknown
- 2007-02-12 NO NO20070800A patent/NO339614B1/en unknown
-
2013
- 2013-11-25 US US14/088,942 patent/US9732981B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CA2574717A1 (en) | 2006-01-26 |
US9732981B2 (en) | 2017-08-15 |
AU2005264776A1 (en) | 2006-01-26 |
ZA200701194B (en) | 2015-09-25 |
BRPI0513721B1 (en) | 2016-04-19 |
US20080099185A1 (en) | 2008-05-01 |
NO20043150D0 (en) | 2004-07-23 |
US20140069625A1 (en) | 2014-03-13 |
RU2385365C2 (en) | 2010-03-27 |
EP1781840A1 (en) | 2007-05-09 |
AU2005264776B2 (en) | 2011-01-06 |
CN101031673B (en) | 2012-06-27 |
CN101031673A (en) | 2007-09-05 |
EP1781840B1 (en) | 2014-11-19 |
RU2007106895A (en) | 2008-09-10 |
CA2574717C (en) | 2012-07-10 |
EP1781840A4 (en) | 2012-08-15 |
NO339614B1 (en) | 2017-01-16 |
WO2006009459A1 (en) | 2006-01-26 |
BRPI0513721A (en) | 2008-05-13 |
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